Likewise, this marks the divisory line between the Upper and Lower Worlds, and even if someone managed to sneak through the Teru's surveillance and go beyond the Pheyna Gate, the Frozen Eye serves as a dead end because there's no way of progressing further up due to the upper sections not being physically connected to the rest of the Tower. There are two warp gates that lead to the Symphonic Reactor, but both have some complicated requirements for their activation: one requires assitance from a Teru and using an item called the Circula Teleporter, while the other requires the permission from the Tower Administrator, since both were sealed following the Covenant of Elemia.